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A128799 (n^2-n)*5^n. 1
0, 0, 50, 750, 7500, 62500, 468750, 3281250, 21875000, 140625000, 878906250, 5371093750, 32226562500, 190429687500, 1110839843750, 6408691406250, 36621093750000, 207519531250000, 1167297363281250, 6523132324218750 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Cf. A036289; A007758.

Sequence in context: A160336 A156965 A052460 * A206120 A160287 A104672

Adjacent sequences:  A128796 A128797 A128798 * A128800 A128801 A128802

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Apr 07 2007

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Last modified February 16 06:08 EST 2012. Contains 205860 sequences.